"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : reindex
Case Name   : 使用reindex在线重建有global索引的分区表
Create At   : 2021/12/13
Owner       : @zou_jialiang050
Description :
    1.建分区表
    2.向表中插入数据
    3.创建global索引
    4.使用reindex在线对表重建索引
    5.清理环境
Expect      :
    1.建分区表成功
    2.向表中插入数据成功
    3.创建索引成功
    4.warning提示不能对有global索引的表在线重建索引
    5.清理环境成功
History     :
"""

import os
import unittest
from yat.test import Node
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class SQL(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.dbuserNode = Node('PrimaryDbUser')
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.table = 't_reindex_concurrently_0046'
        self.index = 'i_reindex_concurrently_0046'
        self.Constant = Constant()

    def test_reindex(self):
        step1 = 'step1:建分区表 expect:建分区表成功'
        self.logger.info(step1)
        create_table = self.primary_sh.execut_db_sql(f'''
            drop  table if exists {self.table};
            create table {self.table}(id int, body text, title text, 
            last_mod_date date)
            partition by range(id)
            (
                partition p1 values less than(100000),
                partition p2 values less than(500000),
                partition p3 values less than(maxvalue)
            );''')
        self.logger.info(create_table)
        self.assertIn(self.Constant.TABLE_DROP_SUCCESS, create_table,
                      "执行失败" + step1)
        self.assertIn(self.Constant.CREATE_TABLE_SUCCESS, create_table,
                      "建分区表失败" + step1)

        step2 = 'step2:向表中插入数据 expect:向表中插入数据成功'
        self.logger.info(step2)
        insert_data = self.primary_sh.execut_db_sql(
            f'''insert into {self.table}  values(generate_series(1,500000), 
            'China, officially the Republic of China (PRC)','China','2010-1-1')
            ;''')
        self.logger.info(insert_data)
        self.assertIn(self.Constant.INSERT_SUCCESS_MSG, insert_data,
                      "执行失败" + step2)

        step3 = 'step3:创建索引 expect:创建成功'
        self.logger.info(step3)
        create_index = self.primary_sh.execut_db_sql(
            f'''drop index if exists {self.index};
            create index {self.index} on {self.table}(id) global;''')
        self.logger.info(create_index)
        self.assertIn(self.Constant.DROP_INDEX_SUCCESS_MSG, create_index,
                      "执行失败" + step3)
        self.assertIn(self.Constant.CREATE_INDEX_SUCCESS_MSG, create_index,
                      "执行失败" + step3)

        step4 = 'step4:使用reindex在线对表重建索引' \
                ' expect:warning提示不能对有global索引的表在线重建索引'
        self.logger.info(step4)
        reindex = self.primary_sh.execut_db_sql(f'''
            reindex table concurrently {self.table};''')
        self.logger.info(reindex)
        self.assertIn(f'WARNING:  cannot reindex concurrently global '
                      f'partition index " public.{self.index}", skipping',
                      reindex, "执行失败" + step4)

    def tearDown(self):
        step5 = 'step5:清理环境 expect:清理环境成功'
        self.logger.info(step5)
        clean_environment = self.primary_sh.execut_db_sql(
            f'''drop table {self.table} cascade;''')
        self.logger.info(clean_environment)
        self.assertIn(self.Constant.TABLE_DROP_SUCCESS, clean_environment,
                      "执行失败" + step5)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
